we start this hour in Ukraine where Russia has carried out one of the deadliest strikes in months Ukraine's defense Ministry says 51 people have been killed and more than 200 have been injured it happened in pava a city in the east of the country many people are believed to be trapped still under the rubble the country's defense Ministry called it a barbaric strike against an educational establishment president Selinsky said it was a very difficult day for Ukraine well BBC verifies Merlin Thomas has been analyzing video of the aftermath